Denon AVR-1404, Service Manual

Page: 9 / 59

9
9 AVR-1404/484
SEMICONDUCTORS
CXP740096 Terminal Function
Pin No. Pin Name I/O Function
1 9273 STB O TC9273 CONTROL
2 9273 9164 CLK O TC9273/TC9164 CONTROL
3 9273 9164 DAT O TC9273/TC9164 CONTROL
4 SW SUM O SW SUMMING CONTROL
5 SEL. CLK O SEL. CLK
6 ERR MUTE O ERR MUTE
7 89055 AUTO O LC89055 CONTROL
8 89055 AUDIO I LC89055 CONTROL
9 89055 EMPHA I LC89055 CONTROL
10 SRAM CE O SRAM (IC833) CONTROL
11 49326 ABOOT O CS49326 CONTROL
12 ROM 3 O ROM (IC807) CONTROL
13 ROM 30 O ROM (IC807) CONTROL
14 ROM 2 O ROM (IC807) CONTROL
15 49326 RST O CS94326 RESET
16 49326 CE O CS94326 CE
17 SCLK O LC89055/AK4527/CS49326 CLOCK
18 89055 CE O LC89055 CE
19 4527 CE O AK4527 CE
20 4527 RST O AK4527 RESET
21 9164 ST O TC9164 CONTROL
22 SW MUTE O SW MUTE
23 RELAY FRONT B O FRONT B RELAY
IC’s
CXP740096
(IC201)
PH7 PH6 PH5 PH4 PH3 PH2 PH1 PH0
PK7/TO1
RST
V
SS
XT
AL
EXT
AL
PK6/C
S0
PK5/SI0
PK4/SO0
PK3/SCK0
PF7/AN11 PF6/AN10
PF5/AN9
PC6 PC7 PA
0
PA
1
PA
2
PA
3
PA
4
PA
5
PA
6
PA
7
NC V
DD
V
SS
PK1/TX PK2/TEX PI1/RMC PI2/NMI PI3/TO0/ADJ PI4/INT1/C
S1
PI5/SCK1
PC5
PC4
PC3
PC2
PC1
PC0
PB7/SI2
PB6/SO2
PB5/SCK2
PB4/TO2
PB3
PB2
PB1
PB0
PJ7
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
PI6/SO1
PI7/SI1
PE0/INT0
PE1/INT2
PE2/PWM0
PE3/PWM1
PE4
PE5
PE6
PE7
PG0/TxD
PG1/RxD
PG2/EC0
PG3/EC1
PG4/EC2
PG5/INT3
PG6/INT4
PG7/CINT
AN0
AN1
AN2
AN3
PF0/AN4
PF1/AN5
PF2/AN6
PF3/AN7
AV
DD
AV
REF
AV
SS
PF4/AN8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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100
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21
22
23
24
25
26
27
28
29
30
80
79
78
77
76
75
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